/* -*- tab-width: 8; c-basic-offset: 4 -*- */ /* * MCI stringinterface * * Copyright 1995 Marcus Meissner */ /* FIXME: special commands of device drivers should be handled by those drivers */ /* FIXME: this current implementation does not allow commands like * capability can play * which is allowed by the MCI standard. */ #include #include #include #include #include #include "multimedia.h" #include "heap.h" #include "ldt.h" #include "user.h" #include "driver.h" #include "callback.h" #include "debug.h" #include "xmalloc.h" /* The reason why I just don't lowercase the keywords array in * mciSendString is left as an exercise to the reader. */ #define STRCMP(x,y) lstrcmpiA(x,y) /* standard function parameters for all functions */ #define _MCISTR_PROTO_ \ WORD wDevID, WORD uDevTyp, LPSTR lpstrReturnString, \ UINT16 uReturnLength, LPCSTR dev, LPSTR *keywords, \ UINT16 nrofkeywords, DWORD dwFlags, HWND16 hwndCallback /* copy string to return pointer including necessary checks * for use in mciSendString() */ #define _MCI_STR(s) \ do { \ TRACE(mci, "->returns '%s'\n", s); \ if (lpstrReturnString) { \ lstrcpynA(lpstrReturnString, s, uReturnLength); \ TRACE(mci, "-->'%s'\n", lpstrReturnString); \ } \ } while(0) /* print a DWORD in the specified timeformat */ static void _MCISTR_printtf(char *buf, UINT16 uDevType, DWORD timef, DWORD val) { *buf = '\0'; switch (timef) { case MCI_FORMAT_MILLISECONDS: case MCI_FORMAT_FRAMES: case MCI_FORMAT_BYTES: case MCI_FORMAT_SAMPLES: case MCI_VD_FORMAT_TRACK: /*case MCI_SEQ_FORMAT_SONGPTR: sameas MCI_VD_FORMAT_TRACK */ sprintf(buf, "%ld",val); break; case MCI_FORMAT_HMS: /* well, the macros have the same content*/ /*FALLTRHOUGH*/ case MCI_FORMAT_MSF: sprintf(buf, "%d:%d:%d", MCI_HMS_HOUR(val), MCI_HMS_MINUTE(val), MCI_HMS_SECOND(val)); break; case MCI_FORMAT_TMSF: sprintf(buf, "%d:%d:%d:%d", MCI_TMSF_TRACK(val), MCI_TMSF_MINUTE(val), MCI_TMSF_SECOND(val), MCI_TMSF_FRAME(val) ); break; default: FIXME(mci, "missing timeformat for %ld, report.\n",timef); strcpy(buf,"0"); /* hmm */ break; } return; } /* possible different return types */ #define _MCISTR_int 1 #define _MCISTR_time 2 #define _MCISTR_bool 3 #define _MCISTR_tfname 4 #define _MCISTR_mode 5 #define _MCISTR_divtype 6 #define _MCISTR_seqtype 7 #define _MCISTR_vdmtype 8 #define _MCISTR_devtype 9 static void _MCISTR_convreturn(int type, DWORD dwReturn, LPSTR lpstrReturnString, WORD uReturnLength, WORD uDevTyp, int timef) { switch (type) { case _MCISTR_vdmtype: switch (dwReturn) { case MCI_VD_MEDIA_CLV: _MCI_STR("CLV"); break; case MCI_VD_MEDIA_CAV: _MCI_STR("CAV"); break; default: case MCI_VD_MEDIA_OTHER:_MCI_STR("other"); break; } break; case _MCISTR_seqtype: switch (dwReturn) { case MCI_SEQ_NONE: _MCI_STR("none"); break; case MCI_SEQ_SMPTE: _MCI_STR("smpte"); break; case MCI_SEQ_FILE: _MCI_STR("file"); break; case MCI_SEQ_MIDI: _MCI_STR("midi"); break; default:FIXME(mci,"missing sequencer mode %ld\n",dwReturn); } break; case _MCISTR_mode: switch (dwReturn) { case MCI_MODE_NOT_READY:_MCI_STR("not ready"); break; case MCI_MODE_STOP: _MCI_STR("stopped"); break; case MCI_MODE_PLAY: _MCI_STR("playing"); break; case MCI_MODE_RECORD: _MCI_STR("recording"); break; case MCI_MODE_SEEK: _MCI_STR("seeking"); break; case MCI_MODE_PAUSE: _MCI_STR("paused"); break; case MCI_MODE_OPEN: _MCI_STR("open"); break; default:break; } break; case _MCISTR_bool: if (dwReturn) _MCI_STR("true"); else _MCI_STR("false"); break; case _MCISTR_int:{ char buf[16]; sprintf(buf,"%ld",dwReturn); _MCI_STR(buf); break; } case _MCISTR_time: { char buf[100]; _MCISTR_printtf(buf,uDevTyp,timef,dwReturn); _MCI_STR(buf); break; } case _MCISTR_tfname: switch (timef) { case MCI_FORMAT_MILLISECONDS: _MCI_STR("milliseconds"); break; case MCI_FORMAT_FRAMES: _MCI_STR("frames"); break; case MCI_FORMAT_BYTES: _MCI_STR("bytes"); break; case MCI_FORMAT_SAMPLES: _MCI_STR("samples"); break; case MCI_FORMAT_HMS: _MCI_STR("hms"); break; case MCI_FORMAT_MSF: _MCI_STR("msf"); break; case MCI_FORMAT_TMSF: _MCI_STR("tmsf"); break; default: FIXME(mci,"missing timefmt for %d, report.\n",timef); break; } break; case _MCISTR_divtype: switch (dwReturn) { case MCI_SEQ_DIV_PPQN: _MCI_STR("PPQN"); break; case MCI_SEQ_DIV_SMPTE_24: _MCI_STR("SMPTE 24 frame"); break; case MCI_SEQ_DIV_SMPTE_25: _MCI_STR("SMPTE 25 frame"); break; case MCI_SEQ_DIV_SMPTE_30: _MCI_STR("SMPTE 30 frame"); break; case MCI_SEQ_DIV_SMPTE_30DROP: _MCI_STR("SMPTE 30 frame drop");break; } case _MCISTR_devtype: switch (dwReturn) { case MCI_DEVTYPE_VCR: _MCI_STR("vcr"); break; case MCI_DEVTYPE_VIDEODISC: _MCI_STR("videodisc"); break; case MCI_DEVTYPE_CD_AUDIO: _MCI_STR("cd audio"); break; case MCI_DEVTYPE_OVERLAY: _MCI_STR("overlay"); break; case MCI_DEVTYPE_DAT: _MCI_STR("dat"); break; case MCI_DEVTYPE_SCANNER: _MCI_STR("scanner"); break; case MCI_DEVTYPE_ANIMATION: _MCI_STR("animation"); break; case MCI_DEVTYPE_DIGITAL_VIDEO: _MCI_STR("digital video"); break; case MCI_DEVTYPE_OTHER: _MCI_STR("other"); break; case MCI_DEVTYPE_WAVEFORM_AUDIO:_MCI_STR("waveform audio"); break; case MCI_DEVTYPE_SEQUENCER: _MCI_STR("sequencer"); break; default:FIXME(mci,"unknown device type %ld, report.\n", dwReturn);break; } break; default: FIXME(mci,"unknown resulttype %d, report.\n",type); break; } } #define FLAG1(str,flag) \ if (!STRCMP(keywords[i],str)) { \ dwFlags |= flag; \ i++; \ continue; \ } #define FLAG2(str1,str2,flag) \ if (!STRCMP(keywords[i],str1) && \ (i+1 * Optional: * "shareable" * "alias " * "element " * Additional: * waveform audio: * "buffer " * Animation: * "nostatic" increaste nr of nonstatic colours * "parent " * "style " bitmask of WS_xxxxx (see windows.h) * "style child" WS_CHILD * "style overlap" WS_OVERLAPPED * "style popup" WS_POPUP * Overlay: * "parent " * "style " bitmask of WS_xxxxx (see windows.h) * "style child" WS_CHILD * "style overlap" WS_OVERLAPPED * "style popup" WS_POPUP * Returns nothing. */ static DWORD MCISTR_Open(_MCISTR_PROTO_) { int res,i; char *s; union U { MCI_OPEN_PARMS16 openParams; MCI_WAVE_OPEN_PARMS16 waveopenParams; MCI_ANIM_OPEN_PARMS16 animopenParams; MCI_OVLY_OPEN_PARMS16 ovlyopenParams; }; union U *pU = xmalloc(sizeof(union U)); pU->openParams.lpstrElementName = NULL; s = strchr(dev,'!'); if (s != NULL) { *s++ = '\0'; pU->openParams.lpstrElementName = strdup(s); dwFlags |= MCI_OPEN_ELEMENT; } uDevTyp = MCI_GetDevType(dev); if (uDevTyp == 0) { free(pU->openParams.lpstrElementName); free(pU); return MCIERR_INVALID_DEVICE_NAME; } pU->openParams.dwCallback = hwndCallback; pU->openParams.wDeviceID = wDevID; pU->openParams.wReserved0 = 0; pU->ovlyopenParams.dwStyle = 0; pU->animopenParams.dwStyle = 0; pU->openParams.lpstrDeviceType = strdup(dev); pU->openParams.lpstrAlias = NULL; dwFlags |= MCI_OPEN_TYPE; i = 0; while (i < nrofkeywords) { FLAG1("shareable",MCI_OPEN_SHAREABLE); if (!STRCMP(keywords[i],"alias") && (i+1 < nrofkeywords)) { dwFlags |= MCI_OPEN_ALIAS; pU->openParams.lpstrAlias = strdup(keywords[i+1]); i+=2; continue; } if (!STRCMP(keywords[i],"element") && (i+1openParams.lpstrElementName = strdup(keywords[i+1]); i+=2; continue; } switch (uDevTyp) { case MCI_DEVTYPE_ANIMATION: case MCI_DEVTYPE_DIGITAL_VIDEO: FLAG1("nostatic",MCI_ANIM_OPEN_NOSTATIC); if (!STRCMP(keywords[i],"parent") && (i+1 < nrofkeywords)) { dwFlags |= MCI_ANIM_OPEN_PARENT; sscanf(keywords[i+1], "%hu", &(pU->animopenParams.hWndParent)); i+=2; continue; } if (!STRCMP(keywords[i], "style") && (i+1 < nrofkeywords)) { DWORD st; dwFlags |= MCI_ANIM_OPEN_WS; if (!STRCMP(keywords[i+1],"popup")) { pU->animopenParams.dwStyle |= WS_POPUP; } else if (!STRCMP(keywords[i+1],"overlap")) { pU->animopenParams.dwStyle |= WS_OVERLAPPED; } else if (!STRCMP(keywords[i+1],"child")) { pU->animopenParams.dwStyle |= WS_CHILD; } else if (sscanf(keywords[i+1],"%ld",&st)) { pU->animopenParams.dwStyle |= st; } else FIXME(mci, "unknown 'style' keyword %s, please report.\n", keywords[i+1]); i+=2; continue; } break; case MCI_DEVTYPE_WAVEFORM_AUDIO: if (!STRCMP(keywords[i],"buffer") && (i+1 < nrofkeywords)) { dwFlags |= MCI_WAVE_OPEN_BUFFER; sscanf(keywords[i+1], "%ld", &(pU->waveopenParams.dwBufferSeconds)); } break; case MCI_DEVTYPE_OVERLAY: /* looks just like anim, but without NOSTATIC */ if (!STRCMP(keywords[i], "parent") && (i+1 < nrofkeywords)) { dwFlags |= MCI_OVLY_OPEN_PARENT; sscanf(keywords[i+1], "%hd", &(pU->ovlyopenParams.hWndParent)); i+=2; continue; } if (!STRCMP(keywords[i],"style") && (i+1 < nrofkeywords)) { DWORD st; dwFlags |= MCI_OVLY_OPEN_WS; if (!STRCMP(keywords[i+1],"popup")) { pU->ovlyopenParams.dwStyle |= WS_POPUP; } else if (!STRCMP(keywords[i+1],"overlap")) { pU->ovlyopenParams.dwStyle |= WS_OVERLAPPED; } else if (!STRCMP(keywords[i+1],"child")) { pU->ovlyopenParams.dwStyle |= WS_CHILD; } else if (sscanf(keywords[i+1],"%ld",&st)) { pU->ovlyopenParams.dwStyle |= st; } else FIXME(mci,"unknown 'style' keyword %s, please report.\n",keywords[i+1]); i+=2; continue; } break; } FIXME(mci,"unknown parameter passed %s, please report.\n", keywords[i]); i++; } res = mciSendCommandA(0, MCI_OPEN, dwFlags, (DWORD)pU); free(pU->openParams.lpstrElementName); free(pU->openParams.lpstrDeviceType); free(pU->openParams.lpstrAlias); free(pU); return res; } /* A help function for a lot of others ... * for instance status/play/record/seek etc. */ DWORD _MCISTR_determine_timeformat(LPCSTR dev,WORD wDevID,WORD uDevTyp,int *timef) { int res; DWORD dwFlags = MCI_STATUS_ITEM; MCI_STATUS_PARMS *statusParams = xmalloc(sizeof(MCI_STATUS_PARMS)); if (!statusParams) return 0; statusParams->dwItem = MCI_STATUS_TIME_FORMAT; statusParams->dwReturn = 0; res = mciSendCommandA(wDevID, MCI_STATUS, dwFlags, (DWORD)statusParams); if (res==0) *timef = statusParams->dwReturn; free(statusParams); return res; } /* query status of MCI drivers * Arguments: * Required: * "mode" - returns "not ready" "paused" "playing" "stopped" "open" * "parked" "recording" "seeking" .... * Basics: * "current track" - returns current track as integer * "length [track ]" - returns length [of track ] in current * timeformat * "number of tracks" - returns number of tracks as integer * "position [track ]" - returns position [in track ] in current * timeformat * "ready" - checks if device is ready to play, -> bool * "start position" - returns start position in timeformat * "time format" - returns timeformat (list of possible values: * "ms" "msf" "milliseconds" "hmsf" "tmsf" "frames" * "bytes" "samples" "hms") * "media present" - returns if media is present as bool * Animation: * "forward" - returns "true" if device is playing forwards * "speed" - returns speed for device * "palette handle" - returns palette handle * "window handle" - returns window handle * "stretch" - returns stretch bool * MIDI sequencer: * "division type" - ? returns "PPQN" "SMPTE 24 frame" * "SMPTE 25 frame" "SMPTE 30 frame" "SMPTE 30 drop frame" * "tempo" - current tempo in (PPQN? speed in frames, SMPTE*? speed in hsmf) * "offset" - offset in dito. * "port" - midi port as integer * "slave" - slave device ("midi","file","none","smpte") * "master" - masterdevice (dito.) * Overlay: * "window handle" - see animation * "stretch" - dito * Video Disc: * "speed" - speed as integer * "forward" - returns bool (when playing forward) * "side" - returns 1 or 2 * "media type" - returns "CAV" "CLV" "other" * "disc size" - returns "8" or "12" * WAVEFORM audio: * "input" - base queries on input set * "output" - base queries on output set * "format tag" - return integer format tag * "channels" - return integer nr of channels * "bytespersec" - return average nr of bytes/sec * "samplespersec" - return nr of samples per sec * "bitspersample" - return bitspersample * "alignment" - return block alignment * "level" - return level? */ #define ITEM1(str,item,xtype) \ if (!STRCMP(keywords[i],str)) { \ statusParams->dwItem = item; \ type = xtype; \ i++; \ continue; \ } #define ITEM2(str1,str2,item,xtype) \ if ( !STRCMP(keywords[i],str1) && \ (i+1 < nrofkeywords) && \ !STRCMP(keywords[i+1],str2)) { \ statusParams->dwItem = item; \ type = xtype; \ i+=2; \ continue; \ } #define ITEM3(str1,str2,str3,item,xtype) \ if ( !STRCMP(keywords[i],str1) && \ (i+2 < nrofkeywords) && \ !STRCMP(keywords[i+1],str2) && \ !STRCMP(keywords[i+2],str3)) { \ statusParams->dwItem = item; \ type = xtype; \ i+=3; \ continue; \ } static DWORD MCISTR_Status(_MCISTR_PROTO_) { MCI_STATUS_PARMS *statusParams = xmalloc(sizeof(MCI_STATUS_PARMS)); int type = 0,i,res,timef; statusParams->dwCallback = hwndCallback; dwFlags |= MCI_STATUS_ITEM; res = _MCISTR_determine_timeformat(dev,wDevID,uDevTyp,&timef); if (res) return res; statusParams->dwReturn = 0; statusParams->dwItem = 0; i = 0; while (i < nrofkeywords) { if (!STRCMP(keywords[i],"track") && (i+1 < nrofkeywords)) { sscanf(keywords[i+1],"%ld",&(statusParams->dwTrack)); dwFlags |= MCI_TRACK; i+=2; continue; } FLAG1("start",MCI_STATUS_START); /* generic things */ ITEM2("current","track",MCI_STATUS_CURRENT_TRACK,_MCISTR_time); ITEM2("time","format",MCI_STATUS_TIME_FORMAT,_MCISTR_tfname); ITEM1("ready",MCI_STATUS_READY,_MCISTR_bool); ITEM1("mode",MCI_STATUS_MODE,_MCISTR_mode); ITEM3("number","of","tracks",MCI_STATUS_NUMBER_OF_TRACKS,_MCISTR_int); ITEM1("length",MCI_STATUS_LENGTH,_MCISTR_time); ITEM1("position",MCI_STATUS_POSITION,_MCISTR_time); ITEM2("media","present",MCI_STATUS_MEDIA_PRESENT,_MCISTR_bool); switch (uDevTyp) { case MCI_DEVTYPE_ANIMATION: case MCI_DEVTYPE_DIGITAL_VIDEO: ITEM2("palette","handle",MCI_ANIM_STATUS_HPAL,_MCISTR_int); ITEM2("window","handle",MCI_ANIM_STATUS_HWND,_MCISTR_int); ITEM1("stretch",MCI_ANIM_STATUS_STRETCH,_MCISTR_bool); ITEM1("speed",MCI_ANIM_STATUS_SPEED,_MCISTR_int); ITEM1("forward",MCI_ANIM_STATUS_FORWARD,_MCISTR_bool); break; case MCI_DEVTYPE_SEQUENCER: /* just completing the list, not working correctly */ ITEM2("division","type",MCI_SEQ_STATUS_DIVTYPE,_MCISTR_divtype); /* tempo ... PPQN in frames/second, SMPTE in hmsf */ ITEM1("tempo",MCI_SEQ_STATUS_TEMPO,_MCISTR_int); ITEM1("port",MCI_SEQ_STATUS_PORT,_MCISTR_int); ITEM1("slave",MCI_SEQ_STATUS_SLAVE,_MCISTR_seqtype); ITEM1("master",MCI_SEQ_STATUS_SLAVE,_MCISTR_seqtype); /* offset ... PPQN in frames/second, SMPTE in hmsf */ ITEM1("offset",MCI_SEQ_STATUS_SLAVE,_MCISTR_time); break; case MCI_DEVTYPE_OVERLAY: ITEM2("window","handle",MCI_OVLY_STATUS_HWND,_MCISTR_int); ITEM1("stretch",MCI_OVLY_STATUS_STRETCH,_MCISTR_bool); break; case MCI_DEVTYPE_VIDEODISC: ITEM1("speed",MCI_VD_STATUS_SPEED,_MCISTR_int); ITEM1("forward",MCI_VD_STATUS_FORWARD,_MCISTR_bool); ITEM1("side",MCI_VD_STATUS_SIDE,_MCISTR_int); ITEM2("media","type",MCI_VD_STATUS_SIDE,_MCISTR_vdmtype); /* returns 8 or 12 */ ITEM2("disc","size",MCI_VD_STATUS_DISC_SIZE,_MCISTR_int); break; case MCI_DEVTYPE_WAVEFORM_AUDIO: /* I am not quite sure if foll. 2 lines are right. */ FLAG1("input",MCI_WAVE_INPUT); FLAG1("output",MCI_WAVE_OUTPUT); ITEM2("format","tag",MCI_WAVE_STATUS_FORMATTAG,_MCISTR_int); ITEM1("channels",MCI_WAVE_STATUS_CHANNELS,_MCISTR_int); ITEM1("bytespersec",MCI_WAVE_STATUS_AVGBYTESPERSEC,_MCISTR_int); ITEM1("samplespersec",MCI_WAVE_STATUS_SAMPLESPERSEC,_MCISTR_int); ITEM1("bitspersample",MCI_WAVE_STATUS_BITSPERSAMPLE,_MCISTR_int); ITEM1("alignment",MCI_WAVE_STATUS_BLOCKALIGN,_MCISTR_int); ITEM1("level",MCI_WAVE_STATUS_LEVEL,_MCISTR_int); break; } FIXME(mci,"unknown keyword '%s'\n",keywords[i]); i++; } if (!statusParams->dwItem) return MCIERR_MISSING_STRING_ARGUMENT; res = mciSendCommandA(wDevID, MCI_STATUS, dwFlags, (DWORD)statusParams); if (res==0) _MCISTR_convreturn(type,statusParams->dwReturn,lpstrReturnString,uReturnLength,uDevTyp,timef); free(statusParams); return res; } #undef ITEM1 #undef ITEM2 #undef ITEM3 /* set specified parameters in respective MCI drivers * Arguments: * "door open" eject media or somesuch * "door close" load media * "time format " "ms" "milliseconds" "msf" "hmsf" * "tmsf" "SMPTE 24" "SMPTE 25" "SMPTE 30" * "SMPTE drop 30" * "audio [all|left|right] [on|off]" sets specified audiochannel on or off * "video [on|off]" sets video on/off * Waveform audio: * "formattag pcm" sets format to pcm * "formattag " sets integer formattag value * "any input" accept input from any known source * "any output" output to any known destination * "input " input from source * "output " output to destination * "channels " sets nr of channels * "bytespersec " sets average bytes per second * "samplespersec " sets average samples per second (1 sample can * be 2 bytes!) * "alignment " sets the blockalignment to * "bitspersample " sets the nr of bits per sample * Sequencer: * "master [midi|file|smpte|none]" sets the midi master device * "slave [midi|file|smpte|none]" sets the midi master device * "port mapper" midioutput to portmapper * "port " midioutput to specified port * "tempo " tempo of track (depends on timeformat/divtype) * "offset " start offset? */ static DWORD MCISTR_Set(_MCISTR_PROTO_) { union U { MCI_SET_PARMS setParams; MCI_WAVE_SET_PARMS16 wavesetParams; MCI_SEQ_SET_PARMS seqsetParams; }; union U *pU = xmalloc(sizeof(union U)); int i,res; pU->setParams.dwCallback = hwndCallback; i = 0; while (i < nrofkeywords) { FLAG2("door","open",MCI_SET_DOOR_OPEN); FLAG2("door","closed",MCI_SET_DOOR_CLOSED); if ( !STRCMP(keywords[i],"time") && (i+2 < nrofkeywords) && !STRCMP(keywords[i+1],"format") ) { dwFlags |= MCI_SET_TIME_FORMAT; /* FIXME:is this a shortcut for milliseconds or * minutes:seconds? */ if (!STRCMP(keywords[i+2],"ms")) pU->setParams.dwTimeFormat = MCI_FORMAT_MILLISECONDS; if (!STRCMP(keywords[i+2],"milliseconds")) pU->setParams.dwTimeFormat = MCI_FORMAT_MILLISECONDS; if (!STRCMP(keywords[i+2],"msf")) pU->setParams.dwTimeFormat = MCI_FORMAT_MSF; if (!STRCMP(keywords[i+2],"hms")) pU->setParams.dwTimeFormat = MCI_FORMAT_HMS; if (!STRCMP(keywords[i+2],"frames")) pU->setParams.dwTimeFormat = MCI_FORMAT_FRAMES; if (!STRCMP(keywords[i+2],"track")) pU->setParams.dwTimeFormat = MCI_VD_FORMAT_TRACK; if (!STRCMP(keywords[i+2],"bytes")) pU->setParams.dwTimeFormat = MCI_FORMAT_BYTES; if (!STRCMP(keywords[i+2],"samples")) pU->setParams.dwTimeFormat = MCI_FORMAT_SAMPLES; if (!STRCMP(keywords[i+2],"tmsf")) pU->setParams.dwTimeFormat = MCI_FORMAT_TMSF; if ( !STRCMP(keywords[i+2],"song") && (i+3 < nrofkeywords) && !STRCMP(keywords[i+3],"pointer") ) pU->setParams.dwTimeFormat = MCI_SEQ_FORMAT_SONGPTR; if (!STRCMP(keywords[i+2],"smpte") && (i+3 < nrofkeywords)) { if (!STRCMP(keywords[i+3],"24")) pU->setParams.dwTimeFormat = MCI_FORMAT_SMPTE_24; if (!STRCMP(keywords[i+3],"25")) pU->setParams.dwTimeFormat = MCI_FORMAT_SMPTE_25; if (!STRCMP(keywords[i+3],"30")) pU->setParams.dwTimeFormat = MCI_FORMAT_SMPTE_30; if (!STRCMP(keywords[i+3],"drop") && (i+4 < nrofkeywords) && !STRCMP(keywords[i+4],"30")) { pU->setParams.dwTimeFormat = MCI_FORMAT_SMPTE_30DROP; i++; } i++; /*FALLTHROUGH*/ } i+=3; continue; } if (!STRCMP(keywords[i],"audio") && (i+1 < nrofkeywords)) { dwFlags |= MCI_SET_AUDIO; if (!STRCMP(keywords[i+1],"all")) pU->setParams.dwAudio = MCI_SET_AUDIO_ALL; if (!STRCMP(keywords[i+1],"left")) pU->setParams.dwAudio = MCI_SET_AUDIO_LEFT; if (!STRCMP(keywords[i+1],"right")) pU->setParams.dwAudio = MCI_SET_AUDIO_RIGHT; i+=2; continue; } FLAG1("video",MCI_SET_VIDEO); FLAG1("on",MCI_SET_ON); FLAG1("off",MCI_SET_OFF); switch (uDevTyp) { case MCI_DEVTYPE_WAVEFORM_AUDIO: FLAG2("any","input",MCI_WAVE_SET_ANYINPUT); FLAG2("any","output",MCI_WAVE_SET_ANYOUTPUT); if ( !STRCMP(keywords[i],"formattag") && (i+1 < nrofkeywords) && !STRCMP(keywords[i+1],"pcm") ) { dwFlags |= MCI_WAVE_SET_FORMATTAG; pU->wavesetParams.wFormatTag = WAVE_FORMAT_PCM; i+=2; continue; } /* */ #define WII(str,flag,fmt,element) \ if (!STRCMP(keywords[i],str) && \ (i+1 < nrofkeywords)) { \ sscanf(keywords[i+1], fmt, \ &(pU->wavesetParams. element)); \ dwFlags |= flag; \ i+=2; \ continue; \ } WII("formattag",MCI_WAVE_SET_FORMATTAG,"%hu",wFormatTag); WII("channels",MCI_WAVE_SET_CHANNELS,"%hu",nChannels); WII("bytespersec",MCI_WAVE_SET_AVGBYTESPERSEC,"%lu",nAvgBytesPerSec); WII("samplespersec",MCI_WAVE_SET_SAMPLESPERSEC,"%lu",nSamplesPerSec); WII("alignment",MCI_WAVE_SET_BLOCKALIGN,"%hu",nBlockAlign); WII("bitspersample",MCI_WAVE_SET_BITSPERSAMPLE,"%hu",wBitsPerSample); WII("input",MCI_WAVE_INPUT,"%hu",wInput); WII("output",MCI_WAVE_OUTPUT,"%hu",wOutput); #undef WII break; case MCI_DEVTYPE_SEQUENCER: if (!STRCMP(keywords[i],"master") && (i+1 < nrofkeywords)) { dwFlags |= MCI_SEQ_SET_MASTER; if (!STRCMP(keywords[i+1],"midi")) pU->seqsetParams.dwMaster = MCI_SEQ_MIDI; if (!STRCMP(keywords[i+1],"file")) pU->seqsetParams.dwMaster = MCI_SEQ_FILE; if (!STRCMP(keywords[i+1],"smpte")) pU->seqsetParams.dwMaster = MCI_SEQ_SMPTE; if (!STRCMP(keywords[i+1],"none")) pU->seqsetParams.dwMaster = MCI_SEQ_NONE; i+=2; continue; } if (!STRCMP(keywords[i],"slave") && (i+1 < nrofkeywords)) { dwFlags |= MCI_SEQ_SET_SLAVE; if (!STRCMP(keywords[i+1],"midi")) pU->seqsetParams.dwMaster = MCI_SEQ_MIDI; if (!STRCMP(keywords[i+1],"file")) pU->seqsetParams.dwMaster = MCI_SEQ_FILE; if (!STRCMP(keywords[i+1],"smpte")) pU->seqsetParams.dwMaster = MCI_SEQ_SMPTE; if (!STRCMP(keywords[i+1],"none")) pU->seqsetParams.dwMaster = MCI_SEQ_NONE; i+=2; continue; } if ( !STRCMP(keywords[i],"port") && (i+1 < nrofkeywords) && !STRCMP(keywords[i+1],"mapper") ) { pU->seqsetParams.dwPort=-1;/* FIXME:not sure*/ dwFlags |= MCI_SEQ_SET_PORT; i+=2; continue; } #define SII(str,flag,element) \ if (!STRCMP(keywords[i],str) && (i+1 < nrofkeywords)) {\ sscanf(keywords[i+1],"%ld",&(pU->seqsetParams. element));\ dwFlags |= flag;\ i+=2;\ continue;\ } SII("tempo",MCI_SEQ_SET_TEMPO,dwTempo); SII("port",MCI_SEQ_SET_PORT,dwPort); SII("offset",MCI_SEQ_SET_PORT,dwOffset); } i++; } if (!dwFlags) return MCIERR_MISSING_STRING_ARGUMENT; res = mciSendCommandA(wDevID, MCI_SET, dwFlags, (DWORD)pU); free(pU); return res; } /* specify break key * Arguments: * "off" disable break * "on " enable break on key with keyid * (I strongly suspect, that there is another parameter: * "window " * but I don't see it mentioned in my documentation. * Returns nothing. */ static DWORD MCISTR_Break(_MCISTR_PROTO_) { MCI_BREAK_PARMS16 *breakParams = xmalloc(sizeof(MCI_BREAK_PARMS16)); int res,i; if (!breakParams) return 0; /*breakParams.hwndBreak ? */ for (i = 0; i < nrofkeywords; i++) { FLAG1("off",MCI_BREAK_OFF); if (!strcmp(keywords[i],"on") && (nrofkeywords>i+1)) { dwFlags&=~MCI_BREAK_OFF; dwFlags|=MCI_BREAK_KEY; sscanf(keywords[i+1],"%hd",&(breakParams->nVirtKey)); i+=2; continue; } } res = mciSendCommandA(wDevID, MCI_BREAK, dwFlags, (DWORD)breakParams); free(breakParams); return res; } #define ITEM1(str,item,xtype) \ if (!STRCMP(keywords[i],str)) { \ gdcParams->dwItem = item; \ type = xtype; \ i++; \ continue; \ } #define ITEM2(str1,str2,item,xtype) \ if ( !STRCMP(keywords[i],str1) && \ (i+1 < nrofkeywords) && \ !STRCMP(keywords[i+1],str2)) { \ gdcParams->dwItem = item; \ type = xtype; \ i+=2; \ continue; \ } #define ITEM3(str1,str2,str3,item,xtype) \ if ( !STRCMP(keywords[i],str1) && \ (i+2 < nrofkeywords) && \ !STRCMP(keywords[i+1],str2) && \ !STRCMP(keywords[i+2],str3)) { \ gdcParams->dwItem = item; \ type = xtype; \ i+=3; \ continue; \ } /* get device capabilities of MCI drivers * Arguments: * Generic: * "device type" returns device name as string * "has audio" returns bool * "has video" returns bool * "uses files" returns bool * "compound device" returns bool * "can record" returns bool * "can play" returns bool * "can eject" returns bool * "can save" returns bool * Animation: * "palettes" returns nr of available palette entries * "windows" returns nr of available windows * "can reverse" returns bool * "can stretch" returns bool * "slow play rate" returns the slow playrate * "fast play rate" returns the fast playrate * "normal play rate" returns the normal playrate * Overlay: * "windows" returns nr of available windows * "can stretch" returns bool * "can freeze" returns bool * Videodisc: * "cav" assume CAV discs (default if no disk inserted) * "clv" assume CLV discs * "can reverse" returns bool * "slow play rate" returns the slow playrate * "fast play rate" returns the fast playrate * "normal play rate" returns the normal playrate * Waveform audio: * "inputs" returns nr of inputdevices * "outputs" returns nr of outputdevices */ static DWORD MCISTR_Capability(_MCISTR_PROTO_) { MCI_GETDEVCAPS_PARMS *gdcParams = xmalloc(sizeof(MCI_GETDEVCAPS_PARMS)); int type=0,i,res; gdcParams->dwCallback = hwndCallback; if (!nrofkeywords) return MCIERR_MISSING_STRING_ARGUMENT; /* well , thats default */ dwFlags |= MCI_GETDEVCAPS_ITEM; gdcParams->dwItem = 0; i=0; while (i < nrofkeywords) { ITEM2("device","type",MCI_GETDEVCAPS_DEVICE_TYPE,_MCISTR_devtype); ITEM2("has","audio",MCI_GETDEVCAPS_HAS_AUDIO,_MCISTR_bool); ITEM2("has","video",MCI_GETDEVCAPS_HAS_VIDEO,_MCISTR_bool); ITEM2("uses","files",MCI_GETDEVCAPS_USES_FILES,_MCISTR_bool); ITEM2("compound","device",MCI_GETDEVCAPS_COMPOUND_DEVICE,_MCISTR_bool); ITEM2("can","record",MCI_GETDEVCAPS_CAN_RECORD,_MCISTR_bool); ITEM2("can","play",MCI_GETDEVCAPS_CAN_PLAY,_MCISTR_bool); ITEM2("can","eject",MCI_GETDEVCAPS_CAN_EJECT,_MCISTR_bool); ITEM2("can","save",MCI_GETDEVCAPS_CAN_SAVE,_MCISTR_bool); switch (uDevTyp) { case MCI_DEVTYPE_ANIMATION: ITEM1("palettes",MCI_ANIM_GETDEVCAPS_PALETTES,_MCISTR_int); ITEM1("windows",MCI_ANIM_GETDEVCAPS_MAX_WINDOWS,_MCISTR_int); ITEM2("can","reverse",MCI_ANIM_GETDEVCAPS_CAN_REVERSE,_MCISTR_bool); ITEM2("can","stretch",MCI_ANIM_GETDEVCAPS_CAN_STRETCH,_MCISTR_bool); ITEM3("slow","play","rate",MCI_ANIM_GETDEVCAPS_SLOW_RATE,_MCISTR_int); ITEM3("fast","play","rate",MCI_ANIM_GETDEVCAPS_FAST_RATE,_MCISTR_int); ITEM3("normal","play","rate",MCI_ANIM_GETDEVCAPS_NORMAL_RATE,_MCISTR_int); break; case MCI_DEVTYPE_OVERLAY: ITEM1("windows",MCI_OVLY_GETDEVCAPS_MAX_WINDOWS,_MCISTR_int); ITEM2("can","freeze",MCI_OVLY_GETDEVCAPS_CAN_FREEZE,_MCISTR_bool); ITEM2("can","stretch",MCI_OVLY_GETDEVCAPS_CAN_STRETCH,_MCISTR_bool); break; case MCI_DEVTYPE_VIDEODISC: FLAG1("cav",MCI_VD_GETDEVCAPS_CAV); FLAG1("clv",MCI_VD_GETDEVCAPS_CLV); ITEM2("can","reverse",MCI_VD_GETDEVCAPS_CAN_REVERSE,_MCISTR_bool); ITEM3("slow","play","rate",MCI_VD_GETDEVCAPS_SLOW_RATE,_MCISTR_int); ITEM3("fast","play","rate",MCI_VD_GETDEVCAPS_FAST_RATE,_MCISTR_int); ITEM3("normal","play","rate",MCI_VD_GETDEVCAPS_NORMAL_RATE,_MCISTR_int); break; case MCI_DEVTYPE_WAVEFORM_AUDIO: ITEM1("inputs",MCI_WAVE_GETDEVCAPS_INPUTS,_MCISTR_int); ITEM1("outputs",MCI_WAVE_GETDEVCAPS_OUTPUTS,_MCISTR_int); break; } i++; } res = mciSendCommandA(wDevID, MCI_GETDEVCAPS, dwFlags, (DWORD)gdcParams); /* no timeformat needed */ if (res==0) _MCISTR_convreturn(type, gdcParams->dwReturn, lpstrReturnString, uReturnLength, uDevTyp, 0); free(gdcParams); return res; } #undef ITEM1 #undef ITEM2 #undef ITEM3 /* resumes operation of device. no arguments, no return values */ static DWORD MCISTR_Resume(_MCISTR_PROTO_) { MCI_GENERIC_PARMS *genParams = xmalloc(sizeof(MCI_GENERIC_PARMS)); int res; genParams->dwCallback = hwndCallback; res = mciSendCommandA(wDevID, MCI_RESUME, dwFlags, (DWORD)genParams); free(genParams); return res; } /* pauses operation of device. no arguments, no return values */ static DWORD MCISTR_Pause(_MCISTR_PROTO_) { MCI_GENERIC_PARMS *genParams = xmalloc(sizeof(MCI_GENERIC_PARMS)); int res; genParams->dwCallback = hwndCallback; res = mciSendCommandA(wDevID, MCI_PAUSE, dwFlags, (DWORD)genParams); free(genParams); return res; } /* stops operation of device. no arguments, no return values */ static DWORD MCISTR_Stop(_MCISTR_PROTO_) { MCI_GENERIC_PARMS *genParams = xmalloc(sizeof(MCI_GENERIC_PARMS)); int res; genParams->dwCallback = hwndCallback; res = mciSendCommandA(wDevID, MCI_STOP, dwFlags, (DWORD)genParams); free(genParams); return res; } /* starts recording. * Arguments: * "overwrite" overwrite existing things * "insert" insert at current position * "to